名词
中文翻译：测深杆
同义词：
['depth sounder', 'depth probe']
例句：
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1.The sounding pole was used to measure the depth of the water.
测深杆被用来测量水深。
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2.The sounding pole helped us determine the location of the ship.
测深杆帮助我们确定了船只的位置。
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3.The sounding pole is a crucial tool for diving operations.
测深杆是潜水作业中至关重要的工具。